/**
* Adds the supplied input instance to the inputformat dataset for later processing. Use this
* method rather than getInputFormat().add(instance). Or else.
*
* @param instance the <code>Instance</code> to buffer.
*/
protected void bufferInput(M5Instance instance) {
if (instance != null) {
copyStringValues(instance, m_InputFormat, m_InputStringAtts);
instance.setDataset(m_InputFormat);
m_InputFormat.add(instance);
}
}
/**
* Filters an entire set of instances through a filter and returns the new set.
*
* @param data the data to be filtered
* @param filter the filter to be used
* @return the filtered set of data
* @exception Exception if the filter can't be used successfully
*/
public static M5Instances useFilter(M5Instances data, NominalToBinaryFilter filter)
throws Exception {
/*
System.err.println(filter.getClass().getName()
+ " in:" + data.numInstances());
*/
for (int i = 0; i < data.numInstances(); i++) {
filter.input(data.instance(i));
}
filter.batchFinished();
M5Instances newData = filter.getOutputFormat();
M5Instance processed;
while ((processed = filter.output()) != null) {
newData.add(processed);
}
/*
System.err.println(filter.getClass().getName()
+ " out:" + newData.numInstances());
*/
return newData;
}